gain electrons to form negative ions

Metals are generally found in

on the left side of the Periodic Table

Elements in group 18 are unreactive because

they have eight valence electrons

Elements in the same Period have

the same number of electron shells

Non-metals are generally found in

the right side of the Periodic Table

lose 2 electrons to form ions with a charge of 2+

lose electrons to form postivie ions

Valence electrons are

the number of electrons in the outer electron shell

gain 3 electrons to form ions with a charge of 3-

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Periodic Table

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Review your understanding of the Periodic Table

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Questions 20

Answers

1
Groups are arranged in the Periodical Table
Diagonally
Vertically
On the left side only
Horizontally
2
Which pair of elements have similar properties due to their position in the periodic table?
Calcium (Ca) and Helium (He)
Sodium (Na) and Magnesium (Mg)
Carbon (C) and Silicon (Si)
Oxygen (O) and Fluorine (F)
3
Non-metals generally
gain electrons to form negative ions
lose electrons to form positive ions
lose electrons to form negative ions
gain electrons to form positive ions
4
Metals are generally found in
on the right side of the Periodic Table
on the left side of the Periodic Table
in the same Period
the same group
5
The elements Copper, Iron and Titanium belong to the
alkaline earth metals
noble gases
transition metals
alkaline metals
6
Elements in group 18 are unreactive because
they have eight valence electrons
they form positive ions
they are gases
they form negative ions
7
How are elements in the periodic table organized?
From metals to non-metals
Alphabetically
By how many electrons they have
By how many protons they have
8
Elements in the same Period have
the same number of electron shells
the same number of valence electrons
the same number of protons
the same number of neutrons
9
Unreactive elements are found in group
17
2
1
18
10
Non-metals are generally found in
groups 3 to 12
the left side of the Periodic Table
the right side of the Periodic Table
Group 1
11
Elements in group 2
lose 2 electrons to form ions with a charge of 2-
gain 2 electrons to form ions with a charge of 2+
gain 2 electrons to form ions with a charge of 2-
lose 2 electrons to form ions with a charge of 2+
12
An example of an alkaline earth metal is
Magnesium
Copper
Aluminium
Sodium
13
Elements in group 15 have
15 protons
15 electrons
5 valence electrons
15 valence electrons
14
Metals generally
lose electrons to form negative ions
gain electrons to form negative ions
lose electrons to form postivie ions
gain electrons to form positive ions
15
Valence electrons are
the total number of electrons in an atom
equal in number for elements in the same period
the number of electrons in the outer electron shell
the number of electrons in the first electron shell
16
Elements in the Periodic Table react with each other to
have the same number of electron shells
to create ions
get the same number of electrons and protons
obtain 8 valence electrons
17
How many groups are there in the Periodic Table
8
18
10
7
18
Elements in group 15
gain 3 electrons to form ions with a charge of 3-
lose 5 electrons to form ions with a charge of 5+
lose 3 electrons to form ions with a charge of 3+
gain 5 electrons to form ions with a charge of 5-
19
Alkaline earth metals are all found in group
2
18
1
17
20
The family of elements called the halogens are found in group
7
17
1
2

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